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Vaccination of Metastatic Breast Cancer Patients With a CD80-modified Allogeneic Cancer Cell Line (KS2422) (KS2422-vacc)

19. maj 2010 opdateret af: University Hospital Tuebingen

Phase 1 Study: Induction of Systemic Immune Responses in Metastatic Breast Cancer Patients by Vaccination With a CD80-modified, Devitalized HLA-*A0201+ Breast Cancer Cell Line (KS24.22)

In the last few years there has been a great attempt to develop active immunotherapies for breast cancer patients (BCPs) using undefined as well as selected antigens to activate tumor specific T-lymphocytes. The purpose of this phase-I study was to determine the safety and feasibility of vaccinations with an allogeneic breast cancer cell line, KS24.22, genetically modified to express CD80 and Her-2/neu, and to evaluate the efficacy of inducing tumor antigen-specific immune responses in human leukocyte antigen(HLA)-A*02-matched patients with metastatic breast cancer.

Studieoversigt

Status

Afsluttet

Intervention / Behandling

Detaljeret beskrivelse

The trial was designed as an open label phase-I. Informed consent was given twice by the patients (1st for HLA-typing, 2nd for participation in the vaccination trial).

The first four vaccinations, which were given every two weeks, were followed by four monthly vaccinations. Additional vaccinations were permitted on request for patients who exhibited stable disease (SD).

Immediately before administration, KS24.22 cells were thawed and lethally irradiated. KS24.22 cells were adjusted to 10E7/ml in Ringer-Lactate-solution, transferred to 1 ml syringes and stored on ice until injected within a time frame of 2h. Vaccinations were given i.d. in the thigh with a total volume of 1 ml divided between two injection sites.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

15

Fase

  • Fase 1

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

      • Tuebingen, Tyskland, 72076
        • Univ. of Tuebingen, Dep. Obst. and Gynecology

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år til 80 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Kvinde

Beskrivelse

Inclusion Criteria:

  • proven diagnosis of carcinoma of the breast with distant metastatic disease
  • patient received either anthracycline- or taxane-based chemotherapy ("state of the art")
  • Karnofsky Score (performance status) 80%
  • HLA-*A0201-positive
  • minimum life expectancy of 6 month
  • written informed consent
  • activation of patient's T-lymphocytes by mitogen antibodies and the cell line used for vaccination

Exclusion Criteria:

  • manifestation of CNS metastases
  • immunosuppressive disease like AIDS, autoimmune disease
  • no serious concomitant systemic medical disorders or active acute or systemic infection
  • pregnancy
  • chemotherapies or radiotherapies in the 4 weeks preceding study entry
  • biological response modifiers (antibodies, TNF, cytokines) or other immune therapies in the 6 weeks preceding study entry (exclusion: hematopoetic growth factors)
  • organ transplanted patients

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Ikke-randomiseret
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: KS24.22-vaccination

The first four vaccinations, which were given every two weeks, were followed by four monthly vaccinations. Additional vaccinations were permitted on request for patients who exhibited stable disease (SD).

Immediately before administration, KS24.22 cells were thawed and lethally irradiated. KS24.22 cells were adjusted to 10E7/ml in Ringer-Lactate-solution, transferred to 1 ml syringes and stored on ice until injected within a time frame of 2h. Vaccinations were given i.d. in the thigh with a total volume of 1 ml divided between two injection sites.

The first four vaccinations, which were given every two weeks, were followed by four monthly vaccinations. Additional vaccinations were permitted on request for patients who exhibited stable disease (SD).

Immediately before administration, KS24.22 cells were thawed and lethally irradiated (200 gray). KS24.22 cells were adjusted to 107/ml in Ringer-Lactate-solution, transferred to 1 ml syringes and stored on ice until injected within a time frame of 2h. Vaccinations were given i.d. in the thigh with a total volume of 1 ml divided between two injection sites.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
gennemførlighed
safety of KS24.22 administration
Tidsramme: 2 years
2 years

Sekundære resultatmål

Resultatmål
Tidsramme
samlet overlevelse
progressionsfri overlevelse
immunologisk respons
Tidsramme: 2 år
2 år

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Efterforskere

  • Ledende efterforsker: Diethelm Wallwiener, University Hospital Tuebingen

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. marts 2002

Primær færdiggørelse (Faktiske)

1. juli 2008

Studieafslutning (Faktiske)

1. januar 2010

Datoer for studieregistrering

Først indsendt

18. maj 2010

Først indsendt, der opfyldte QC-kriterier

19. maj 2010

Først opslået (Skøn)

20. maj 2010

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

20. maj 2010

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

19. maj 2010

Sidst verificeret

1. maj 2010

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 01 KV 9540

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Metastatisk brystkræft

Kliniske forsøg med KS24.22 cells

Abonner